This is the Futaba High Voltage BLS272SV S.Bus2 HS
Programmable Metal Gear Servo.

FEATURES

Brushless motor offers incredible holding power and 5X longer life
than servos equipped with brushed motors
High speed
Handles up to 2S LiPo power
Programmable and compatible with S.Bus and S.Bus2
Dual ball bearing supported output shaft
One year limited warranty through Hobby Services beginning at date of
purchase